John DeVane, Jr. married Ann Julian Davis. She was a widow of a Mr. Evans. (information was stated in Pension application of Ann Julan Devane #W-3961-when ordering the Military Records from National Archives, order the entire file. There is information listed on separate sheets of papers.)

The person making the testimony was Francis Davis, who stated that she was his sister and he was an eye-witness to the wedding of John Devane and Ann Julan. Francis refers to her as Ann Julan Evans. Later in the sworn testimony Ann Julan states that she was never married again after John Devane's death in 1802 of fever.